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有三台设备,分别是车、铣和磨。每一台设备的质量合格率为0.95,不合格品进入下一道设备加工,那么最终输出的质量应该是0.95^3到0.95之间,请问哪位大侠帮看看用Witness怎么仿真?
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! J! s7 f; E0 t$ _! w我自己参考别人的仿真(但是输出的结果变化不在0.95^3到0.95之间,请问错在哪里):0 `$ ?2 S6 i* _* E" j! @8 Z
车床:0 }& ]! Y# N* V. U
action on finish:( e+ A3 t# M. d0 ?
IF RANDOM (1) <= 0.05 9 t0 f3 f& ~ B" }. z# p" u
PEN = 1
' V- {4 ^$ B5 P+ D' r C = "pink"
' D; X9 _- g, h$ I j7 |4 l1 L2 ^ENDIF
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3 {1 G; n3 a- K铣床:
7 I) n9 W' U7 [- i3 X$ Kaction on finish:
1 D0 J* v, Y/ yIF RANDOM (2) <= 0.05 ) x" @$ x) {& u6 f6 b/ {
PEN = 2, o+ H# A1 s3 j% b8 s' ^( o
D = "yellow"
# N2 H/ ^) t5 G% v% I7 DENDIF ( `; U- N( F8 [" F$ C
; F5 n% A% k* U3 O% w2 r: {+ Q5 W) j磨床:
- F! N/ D( Z* y( ~: v" X, n& w& _action on finish:
9 c4 m( `0 P& N: F+ w& g5 MIF RANDOM (3) <= 0.05
& U" Q6 O. y3 r# H7 K" S PEN =3 F3 `; \4 i3 ?, f% j) d
E= "green") x9 H3 S( a' J+ \& q% O
ENDIF |
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